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DC AC Mini Miniature Electrical Circuit Breaker Switch MCB
US$0.94-0.99
1 Piece
Sample price:US$0.94/piece.Request sample

Product profile

Customization

Available

Breaking Capacity

Low Voltage Circuit Breakers

Operation

Manual Type

Model NO.

L7

Speed

Normal Type Circuit Breaker

Arc-extinguishing Medium

Air

Installation

Fixed

Structure

MCB

Poles Number

1

Type

Circuit Breaker

Function

Conventional Circuit Breaker, Circuit-Breaker Failure Protection, Overcurrent Protection, OVP(Overvoltage Protection)

Certification

ISO9001-2000, CE, CCC

Rated Voltage

220V/400V

Environment Temeperature

-5ºC~+40ºC

Rated Current

1A-63A

Rated Frenquency

50Hz/60Hz

Transport Package

Carton Packing

Trademark

GWIEC

Origin

China Zhejiang

Production Capacity

100000PCS/Month

Key features

Comprehensive Protection: Provides short circuit, overload, and overvoltage protection in one unit.
Certified Safety: ISO9001-2000, CE, and CCC certified for global compliance and safety.
Durable Design: Housing made of impact-resistant, highly flame-retardant materials.
Wide Application: Suitable for AC 50/60Hz, up to 400V, for offices and residences.
High Capacity: Supplier production capacity of 100,000 pieces per month.
Compact Structure: 1-pole MCB with advanced structure and beautiful, compact appearance.
Reliable Performance: Features high breaking capacity and reliable isolation function.
Standard Packaging: Products packaged in cartons for safe shipping and storage.

Company profile

Business Type: Manufacturer/FactoryExport Year: 2017-07-19Nearest Port: ningboAverage Response Time: ≤11.15hTerms of Payment: LC, T/T, PayPalInternational Commercial Terms(Incoterms): FOB

AI-Powered supplier vetting

SummaryYueqing Greenwich Imp & Exp Co., Ltd. is identified as a China-based manufacturer/factory and limited company located in Zhejiang, with a factory in the Qiligang/Liushi area. The supplier reports ISO 9001 certification, 10 production lines, 6–10 R&D engineers, and 6–10 quality-control staff. Listed production capacities are 90,000 contactors, 210,000 circuit breakers, 30,000 switches, and 60,000 relays. Its product scope centers on electrical components including MCCBs, MCBs, contactors, relays, starters, and circuit breakers. Export activity reportedly began in 2017, with 41%–50% of sales from exports and exports conducted directly or through agents. The records provide limited evidence on after-sales service, financial credibility, innovation, customization, and customer-case depth. Trade records show one transaction associated with a Kazakhstan buyer in February 2025, but monetary figures are omitted.
Supplier typeThe supplier is explicitly classified as a Manufacturer/Factory and Limited Company, with its head office and factory located in Zhejiang, China. However, another record describes the company nature as a trading company, indicating a mixed or potentially inconsistent classification across the available data.
CertificationsThe supplier reports holding ISO 9001 certification for its management systems. This is explicit evidence of a documented quality-management certification, although no certification scope, issuing body, or validity dates are provided.
R&D capabilityThe supplier reports 6–10 years of total R&D-engineer experience, and its company description mentions continuous improvement and innovation. These provide some positive indication of development capability, but no specific patents, proprietary products, R&D projects, or new-product examples are supplied.
Production capacityThe supplier reports 10 production lines, 6–10 quality-control staff, and stated annual capacities of 90,000 contactors, 210,000 circuit breakers, 30,000 switches, and 60,000 relays. The same capacity figures appear consistently across two records, and a physical factory location plus ISO 9001 certification are reported, supporting a positive assessment of production capability.

Product Q&A

Q:What protections does the L7 MCB offer?
A:
It provides short circuit protection, overload protection, overvoltage protection (OVP), and isolation functions.
Q:What are the electrical specifications?
A:
Rated voltage is 220V/400V, rated current is 1A-63A, and frequency is 50Hz/60Hz.
Q:What certifications does the product have?
A:
The product is certified with ISO9001-2000, CE, and CCC.
Q:What materials are used for the housing?
A:
The housing is made of impact-resistant, highly flame-retardant materials.
Q:Where is the supplier located?
A:
The supplier is based in Zhejiang, China, specifically in the First Industrial Zone, Qiligang.

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